say it: KAZH-uh-wuhl
casual is an adjective meaning "marked by blithe unconcern". It carries 9 recorded senses.
marked by blithe unconcern
“an ability to interest casual students”
“showed a casual disregard for cold weather”
“an utterly insouciant financial policy”
“an elegantly insouciant manner”
“drove his car with nonchalant abandon”
“was polite in a teasing nonchalant manner”
without or seeming to be without plan or method; offhand
“a casual remark”
“information collected by casual methods and in their spare time”
hasty and without attention to detail; not thorough
“a casual (or cursory) inspection failed to reveal the house's structural flaws”
“a passing glance”
“perfunctory courtesy”
“In his paper, he showed a very superficial understanding of psychoanalytic theory”
occurring on a temporary or irregular basis
“casual employment”
“a casual correspondence with a former teacher”
“an occasional worker”
natural and unstudied
“using their Christian names in a casual way”
“lectured in a free-and-easy style”
not showing effort or strain
“a difficult feat performed with casual mastery”
“careless grace”
Definitions, synonyms and semantic relations for casual come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.